devextreme
Version:
JavaScript/TypeScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/__internal/scheduler/appointments/resizing/get_delta_time.test.js)
* Version: 25.2.8
* Build date: Mon Jun 08 2026
*
* Copyright (c) 2012 - 2026 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import {
describe,
expect,
it
} from "@jest/globals";
import {
VIEW_TYPES
} from "../../utils/options/constants_view";
import {
getDeltaTime
} from "./get_delta_time";
describe("getDeltaTime", () => {
VIEW_TYPES.forEach(view => {
it(`should return zero for not resized appointment in ${view} view`, () => {
expect(getDeltaTime({
width: 100,
height: 100
}, {
width: 100,
height: 100
}, {
viewType: view,
cellSize: {
width: 50,
height: 50
},
resizableStep: 50,
cellDurationInMinutes: 30,
isAllDayPanel: true
})).toBe(0)
})
});
["day", "week", "workWeek"].forEach(view => {
it(`should return correct delta in px for resized appointment in vertical ${view} view`, () => {
expect(getDeltaTime({
width: 100,
height: 50
}, {
width: 100,
height: 100
}, {
viewType: view,
cellSize: {
width: 50,
height: 50
},
resizableStep: 50,
cellDurationInMinutes: 30,
isAllDayPanel: false
})).toBe(-18e5)
});
it(`should return correct delta in px for resized all day appointment in vertical ${view} view`, () => {
expect(getDeltaTime({
width: 50,
height: 100
}, {
width: 100,
height: 100
}, {
viewType: view,
cellSize: {
width: 50,
height: 50
},
resizableStep: 50,
cellDurationInMinutes: 30,
isAllDayPanel: true
})).toBe(-864e5)
})
});
["timelineMonth", "month"].forEach(view => {
it(`should return correct delta in px for resized appointment in ${view} view`, () => {
expect(getDeltaTime({
width: 50,
height: 100
}, {
width: 100,
height: 100
}, {
viewType: view,
cellSize: {
width: 50,
height: 50
},
resizableStep: 50,
cellDurationInMinutes: 30,
isAllDayPanel: false
})).toBe(-864e5)
})
});
["timelineDay", "timelineWeek", "timelineWorkWeek"].forEach(view => {
it(`should return zero for not resized appointment in horizontal ${view} view`, () => {
expect(getDeltaTime({
width: 50,
height: 100
}, {
width: 100,
height: 100
}, {
viewType: view,
cellSize: {
width: 50,
height: 50
},
resizableStep: 50,
cellDurationInMinutes: 30,
isAllDayPanel: false
})).toBe(-18e5)
})
})
});